Open Race, Pursuant To Art. 71 Of Legislative Decree No. 36/2023 Ss. Mm. Ii., Aimed At Selecting Multiple Economic Operators, With Which To Conclude A Framework Agreement, Pursuant To Art. 59, Co. 4 Lett. A) Of Legislative Decree No. 36/2023, Without Reopening The Competitive Comparison, For The Assignment Of The Reception And Assistance Service Of Foreign Citizens Applicants International Protection At The Cen